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People working with large rocks in a large box.

Date Taken:

November 9, 2018

Photograph By:

Ken Vicknair, NSF

License Type:

Creative Commons CC BY-NC-ND 4.0.

Specimens from the South Atlantic Ocean's Rio Grande Rise are collected on board the Nathaniel B. Palmer research vessel.

The Rio Grande Rise, located off the coast of Brazil, is a volcanic oceanic plateau. To understand the history of this large volcanic feature, geologist Anthony Koppers, Oregon State University, Cornelia Class, Lamont-Doherty Earth Observatory, William Sager, University of Houston and their students collected samples from dozens of seamounts, rift zone valleys, and steep escarpments. The specimens collected were compared to specimens previously collected from the Walvis ridge off the coast of Africa on the other side of the Mid-Atlantic Ridge.

Associated Keywords

CC BY-NC-ND 4.0., Creative Commons, Geochemistry, Geologists, Geology, Geophysicists, Geophysics, NSF

By downloading this image, you agree to be bound by the terms and conditions of the image license.

This photo is in the public domain.

Photos whose copyright has expired or were taken by government employees as part of their job duties are considered to be in the public domain. Public domain works are not subject to copyright laws. Anyone may download these photos and use them freely, even for commercial purposes.

Attribution is not legally required for public domain photos but is strongly recommended.

This photo is covered by a Creative Commons license. Please see the Usage and Submissions page for more information. Use of this photo requires the following:

(1.) The user must give appropriate credit to the photographer and the National Science Foundation (NSF) and provide a link to the Creative Commons license. (2.) Use of the photo must be for non-commercial purposes only. (3.) No derivative works may be made with the original photo without the explicit permission of the photographer.

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